Wow some people are suckers!!! Boeing 747 @ 4000 gal/hour x 100 hours X $2/gal = $800,000. Off the top of my head... BTW the CPM has the option to complete proving flights without doing the full 100 hours, but I would just assume they won't. someone post that on liehub, I used my 1 post already.
http://www.boeing.com/boeing/commercial/747fa...facts.page.